DE3172125D1 - Method and apparatus for controlling electrode drive speed in a consumable electrode furnace - Google Patents

Method and apparatus for controlling electrode drive speed in a consumable electrode furnace

Info

Publication number
DE3172125D1
DE3172125D1 DE8181302533T DE3172125T DE3172125D1 DE 3172125 D1 DE3172125 D1 DE 3172125D1 DE 8181302533 T DE8181302533 T DE 8181302533T DE 3172125 T DE3172125 T DE 3172125T DE 3172125 D1 DE3172125 D1 DE 3172125D1
Authority
DE
Germany
Prior art keywords
drive speed
furnace
controlling
electrode
consumable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8181302533T
Other languages
German (de)
English (en)
Inventor
Raymond J Roberts
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Consarc Corp
Original Assignee
Consarc Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22581264&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3172125(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Consarc Corp filed Critical Consarc Corp
Application granted granted Critical
Publication of DE3172125D1 publication Critical patent/DE3172125D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • H05B7/148—Automatic control of power
    • H05B7/152—Automatic control of power by electromechanical means for positioning of electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Manufacture And Refinement Of Metals (AREA)
DE8181302533T 1980-06-20 1981-06-08 Method and apparatus for controlling electrode drive speed in a consumable electrode furnace Expired DE3172125D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/161,461 US4303797A (en) 1980-06-20 1980-06-20 Method and apparatus for controlling electrode drive speed in a consumable electrode furnace

Publications (1)

Publication Number Publication Date
DE3172125D1 true DE3172125D1 (en) 1985-10-10

Family

ID=22581264

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181302533T Expired DE3172125D1 (en) 1980-06-20 1981-06-08 Method and apparatus for controlling electrode drive speed in a consumable electrode furnace

Country Status (6)

Country Link
US (1) US4303797A (cs)
EP (1) EP0042689B2 (cs)
JP (1) JPS5728668A (cs)
AT (1) AT394480B (cs)
CA (1) CA1165356A (cs)
DE (1) DE3172125D1 (cs)

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AT373177B (de) * 1982-05-12 1983-12-27 Ver Edelstahlwerke Ag Einrichtung zur durchfuehrung von umschmelzverfahren mit selbstverzehrenden elektroden
US4578795A (en) * 1982-12-28 1986-03-25 The United States Of America As Represented By The United States Department Of Energy Drop short control of electrode gap
US4569056A (en) * 1984-04-27 1986-02-04 Carpenter Technology Corporation Consumable electrode remelting furnace and method
DE3528867A1 (de) * 1985-08-12 1987-02-19 Leybold Heraeus Gmbh & Co Kg Einrichtung zum kompensieren des einflusses des gewichts einer stromzufuehrungsleitung auf eine gewichtsmesseinrichtung
DE3544005A1 (de) * 1985-12-13 1987-06-19 Leybold Heraeus Gmbh & Co Kg Einrichtung zum regeln des abstandes einer schmelzelektrode zur oberflaeche des schmelzguts in einem vakuumlichtbogenofen
DE3722680A1 (de) * 1987-07-09 1989-01-19 Leybold Ag Umschmelzofen mit gewichtsabhaengiger steuerung des abschmelzblocks
DE3810292A1 (de) * 1988-03-25 1989-10-05 Rexroth Mannesmann Gmbh Einrichtung zur regelung eines lichtbogenofens durch hydraulische hoehenverstellung der elektrode
IT1242380B (it) * 1990-07-23 1994-03-04 Danieli Off Mecc Procedimento e dispositivo per il controllo della forza applicata sui bracci porta elettrodi del forno elettrico ad arco
DE4204757C2 (de) * 1992-02-18 2001-02-15 Ald Vacuum Techn Ag Umschmelzofen
US5331661A (en) * 1992-02-27 1994-07-19 Sandia Corporation Method and apparatus for controlling electroslag remelting
DE4207967C2 (de) * 1992-03-13 2001-02-15 Ald Vacuum Techn Ag Umschmelzofen
US5708677A (en) * 1995-04-21 1998-01-13 Sandia Corporation Arc voltage distribution skewness as an indicator of electrode gap during vacuum arc remelting
US5568506A (en) * 1995-05-16 1996-10-22 Sandia Corporation Constant voltage electro-slag remelting control
US5737355A (en) * 1995-09-21 1998-04-07 Sandia Corporation Directly induced swing for closed loop control of electroslag remelting furnace
US5930284A (en) * 1997-01-15 1999-07-27 Sandia Corporation Multiple input electrode gap controller
NO306439B1 (no) 1998-03-31 1999-11-01 Elkem Materials Veiing av forbrukbare elektroder i elektriske smelteovner
US6113666A (en) * 1998-08-11 2000-09-05 Jaroslav Yurievich Kompan Method of magnetically-controllable, electroslag melting of titanium and titanium-based alloys, and apparatus for carrying out same
US6243408B1 (en) * 1998-10-02 2001-06-05 General Electric Company Electrode weighing stub
US6115404A (en) * 1999-02-03 2000-09-05 Sandia Corporation Dynamic control of remelting processes
US6496530B2 (en) 2001-04-03 2002-12-17 Sandia Corporation Control of electrode depth in electroslag remelting
KR100479832B1 (ko) * 2001-12-24 2005-03-30 주식회사 포스코 이에스알공정의 전극 이송속도 제어방법
US7180931B1 (en) 2004-05-25 2007-02-20 Sandia Corporation Electrode immersion depth determination and control in electroslag remelting furnace
DE102010042782B4 (de) * 2010-10-21 2014-05-28 Ald Vacuum Technologies Gmbh Verfahren und Vorrichtung zur Regelung des Elektrodenabstands in einem Vakuum-Lichtbogenofen
EP2748355B1 (en) 2011-08-26 2016-08-10 Consarc Corporation Purification of a metalloid by consumable electrode vacuum arc remelt process
AT512471B1 (de) * 2012-02-07 2014-02-15 Inteco Special Melting Technologies Gmbh Umschmelzanlage für selbstverzehrende elektroden
DE102012209733A1 (de) * 2012-06-11 2013-12-12 Sgl Carbon Se Verfahren und Einrichtung zur Bestimmung des Verbrauchs an Elektrodenmaterial beim Betrieb eines Elektroofens
DE102016219261B3 (de) * 2016-10-05 2017-10-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Positionsbestimmung der Spitze einer Elektroofen-Elektrode, insbesondere einer Söderberg-Elektrode
US10591217B2 (en) 2016-11-01 2020-03-17 A. Finkl & Sons Co. Systems and methods for controlling a vacuum arc remelting furnace based on power input
DE102019210589B3 (de) * 2019-07-18 2020-11-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur räumlich aufgelösten Erfassung der Feldstärke eines räumlich graduell veränderlichen Magnetfeldes
CN113249585B (zh) * 2021-05-13 2022-02-01 东北大学 一种基于电极转速控制的恒熔池形状电渣重熔方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726278A (en) * 1954-08-27 1955-12-06 Titanium Metals Corp Arc melting furnace
US2942045A (en) * 1958-04-30 1960-06-21 Westinghouse Electric Corp Vacuum arc furnace control
US2904718A (en) * 1958-06-05 1959-09-15 Titanium Metals Corp Method for controlling arc length
US3246070A (en) * 1963-04-02 1966-04-12 Consarc Corp Consumable electrode vacuum arc furnace
US3186043A (en) * 1963-04-02 1965-06-01 Allegheny Ludlum Steel Metallurgical furnace control
US3272905A (en) * 1963-06-24 1966-09-13 Consarc Corp Continuous weighing of a consumable electrode
SE315057B (cs) * 1963-10-24 1969-09-22 Elektrokemisk As
US3277229A (en) * 1963-11-15 1966-10-04 Universal Cyclops Steel Corp Arc length regulator for consumable electrode melting
US3364295A (en) * 1964-06-12 1968-01-16 Norbatrol Electronics Corp Control system for vacuum arc furnace
US3372224A (en) * 1964-09-15 1968-03-05 Allegheny Ludlum Steel Control system for consumable electrode arc melting furnace to raise the electrode upon a power failure
US3187078A (en) * 1964-10-08 1965-06-01 Allegheny Ludlum Steel Electrode regulating system for arc melting furnaces
US3431344A (en) * 1965-11-15 1969-03-04 Westinghouse Electric Corp Control system providing supply circuit impedance balance control for electric arc furnaces
GB1263468A (en) * 1968-05-14 1972-02-09 Associate Electrical Ind Ltd Improvements relating to control arrangements for electro-slag refining apparatus
DE1924364A1 (de) * 1968-05-14 1969-11-27 Ass Elect Ind Regeleinrichtung fuer eine Vorrichtung zur Elektroraffination von Metallen
US3614284A (en) * 1969-04-12 1971-10-19 Leybold Heraeus Verwaltung Melting furnace with movable current carrying leads for a consumable electrode
US3872231A (en) * 1974-05-23 1975-03-18 Toroid Corp System for determining electrode length
DE2456512C3 (de) * 1974-11-29 1987-01-22 Leybold-Heraeus GmbH, 5000 Köln Anordnung zur Regelung der Eintauchtiefe von Abschmelzelektroden in Elektroschlacke-Umschmelzöfen
US4002816A (en) * 1975-08-04 1977-01-11 Anatoly Dmitrievich Zhupakhin Device for measuring mass of consumable electrodes being remelted in electric furnaces
US4131754A (en) * 1977-05-02 1978-12-26 Consarc Corporation Automatic melt rate control system for consumable electrode remelting
DE2721664A1 (de) * 1977-05-13 1978-11-23 Demag Ag Verfahren zur erfassung und gegebenenfalls regelung der elektrodenstellung in elektrischen oefen
DE2732873A1 (de) * 1977-07-21 1979-02-15 Leybold Heraeus Gmbh & Co Kg Anordnung zur regelung der eintauchtiefe von abschmelzelektroden in elektroschlacke-umschmelzoefen

Also Published As

Publication number Publication date
EP0042689A1 (en) 1981-12-30
JPS5728668A (en) 1982-02-16
EP0042689B2 (en) 1992-03-11
ATA272281A (de) 1991-09-15
JPH0141428B2 (cs) 1989-09-05
CA1165356A (en) 1984-04-10
US4303797A (en) 1981-12-01
AT394480B (de) 1992-04-10
EP0042689B1 (en) 1985-09-04

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8339 Ceased/non-payment of the annual fee